TowBoatU.S., part of the nation's largest on-the-water towing service for recreational boaters, has opened two new ports on southern Lake Michigan, TowBoatU.S. St. Joseph and TowBoatU.S. South Haven, MI. The two ports are owned and operated by Capt. Richard Lenardson, a native of Bridgman MI. This brings the number of TowBoatU.S ports in Michigan to 14.